package com.zd.service;

import com.zd.pojo.Member;

import java.util.List;

public interface MemberService {
    //根据手机号查询会员
    public Member findByTelephone(String telephone);
    //不是会员，自动给他注册会员
    public void add(Member member);
    //根据月份查会员数
    public List<Integer> findMemberCountByMonths(List<String> months);

}
